26264644144 has 20 divisors (see below), whose sum is σ = 50896586160. Its totient is φ = 13130041280.

The previous prime is 26264644141. The next prime is 26264644169. The reversal of 26264644144 is 44144646262.

It is a self number, because there is not a number n which added to its sum of digits gives 26264644144.

It is not an unprimeable number, because it can be changed into a prime (26264644141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45547 + ... + 233674.

It is an arithmetic number, because the mean of its divisors is an integer number (2544829308).

Almost surely, 2^26264644144 is an apocalyptic number.

It is an amenable number.

26264644144 is a deficient number, since it is larger than the sum of its proper divisors (24631942016).

26264644144 is a wasteful number, since it uses less digits than its factorization.

26264644144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285108 (or 285102 counting only the distinct ones).

The product of its digits is 884736, while the sum is 43.

The spelling of 26264644144 in words is "twenty-six billion, two hundred sixty-four million, six hundred forty-four thousand, one hundred forty-four".